gwn2.m

来自「denoising image with DWT」· M 代码 · 共 28 行

function B = GWN2(n,beta)
%  GWN2- Generation of 2-D Gaussian White NNoise
%  Usage
%    B=GWN2(n,beta)
%  Inputs   
%    n	size of datas
%    beta	standard deviation
%  Outputs
%    B	resulting noise
%

B=randn(n,n);
B=B*beta;

% Written by Maureen Clerc and Jerome Kalifa, 1997
% [e-mail], [e-mail]

    
    
 
 
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%  Part of Wavelab Version 850
%  Built Tue Jan  3 13:20:39 EST 2006
%  This is Copyrighted Material
%  For Copying permissions see COPYING.m
%  Comments? e-mail [e-mail]